A systematic error leading to incorrect assessment of the actual effect of a certain factor on the outcome (e.g. on the risk of developing a disease).Such an error may be due to deficiencies in the design of the research protocol, in the recruitment of participants, in data gathering, in data analysis, etc.
Terms beginning with B
A physiological, biochemical, or behavioral change in a living organism, in the tissue or the cell.קרא עוד >
Wireless communications technology (in the 2402-2480 MHz frequency range) enabling connection over short distances between personal end-user devices situated in the proximity of the user, e.g. between mobile phones and hands-free speakers. (Source: IARC-RF, monog,102.2013).קרא עוד >
A cluster of cells created by uncontrolled division of cells in the brain tissue (neurons, glia, epithelium, etc.).Primary brain tumors are named according to the type of cells that constitute them.In general, and in contrast to other tumors, brain tumors do not tend to metastasize to other organs.קרא עוד >